[tip: perf/core] powerpc/perf: Support PERF_SAMPLE_DATA_PAGE_SIZE

[tip-bot2 for Kan Liang]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     4cb6a42e4c4bc1902644eced67563e7405d4588e
Gitweb:        https://git.kernel.org/tip/4cb6a42e4c4bc1902644eced67563e7405d4588e
Author:        Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
AuthorDate:    Thu, 01 Oct 2020 06:57:48 -07:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Thu, 29 Oct 2020 11:00:39 +01:00

powerpc/perf: Support PERF_SAMPLE_DATA_PAGE_SIZE

The new sample type, PERF_SAMPLE_DATA_PAGE_SIZE, requires the virtual
address. Update the data->addr if the sample type is set.

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20201001135749.2804-4-kan.liang@xxxxxxxxxxxxxxx
---
 arch/powerpc/perf/core-book3s.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 78fe349..ce22bd2 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2065,6 +2065,9 @@ static struct pmu power_pmu = {
 	.sched_task	= power_pmu_sched_task,
 };
 
+#define PERF_SAMPLE_ADDR_TYPE  (PERF_SAMPLE_ADDR |		\
+				PERF_SAMPLE_PHYS_ADDR |		\
+				PERF_SAMPLE_DATA_PAGE_SIZE)
 /*
  * A counter has overflowed; update its count and record
  * things if requested.  Note that interrupts are hard-disabled
@@ -2120,8 +2123,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
 
 		perf_sample_data_init(&data, ~0ULL, event->hw.last_period);
 
-		if (event->attr.sample_type &
-		    (PERF_SAMPLE_ADDR | PERF_SAMPLE_PHYS_ADDR))
+		if (event->attr.sample_type & PERF_SAMPLE_ADDR_TYPE)
 			perf_get_data_addr(event, regs, &data.addr);
 
 		if (event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK) {